import  java.util.Scanner;

public class PointInCircle {
	
	private static double epsilon = 1e-6;
	
	public static void main(String args[]) {

		Scanner sc = new Scanner(System.in);
		String msg = "Tacka ";
		
		// input
		double	ax = sc.nextDouble(),
			ay = sc.nextDouble(),
			r = sc.nextDouble();
		double	px = sc.nextDouble(),
			py = sc.nextDouble();
			
		// finalizing output
		msg += Math.abs(
				Math.pow((ax-px),2) + Math.pow((ay-py),2)
				- r*r
			)
			< epsilon
			
			? "je" : "nije";
			
		msg += " na kruznici.";
		
		// output
		System.out.println(msg);
	}
}